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char = i;code = 105
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char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = a;code = 97
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char = s;code = 115
char = u;code = 117
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char = c;code = 99
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char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = s;code = 115
char = .;code = 46
result sql = Spatial variability in 14C-herbicide degradation in surface and subsurface soils.
Spatial variability in 14C-herbicide degradation in surface and subsurface soils.
char = T;code = 84
char = h;code = 104
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char = a;code = 97
char = l;code = 108
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char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
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char = i;code = 105
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char = i;code = 105
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char = ;code = 32
char = m;code = 109
char = i;code = 105
char = n;code = 110
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char = z;code = 122
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char = t;code = 116
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char = n;code = 110
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char = o;code = 111
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char = r;code = 114
char = a;code = 97
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char = ,;code = 44
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char = t;code = 116
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char = ;code = 32
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char = n;code = 110
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char = a;code = 97
char = m;code = 109
char = i;code = 105
char = t;code = 116
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char = n;code = 110
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char = a;code = 97
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char = a;code = 97
char = ;code = 32
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char = c;code = 99
char = a;code = 97
char = t;code = 116
char = c;code = 99
char = h;code = 104
char = m;code = 109
char = e;code = 101
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char = t;code = 116
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char = i;code = 105
char = n;code = 110
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = F;code = 70
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = F;code = 70
char = i;code = 105
char = f;code = 102
char = t;code = 116
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char = e;code = 101
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char = a;code = 97
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char = p;code = 112
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char = e;code = 101
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char = f;code = 102
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char = o;code = 111
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = p;code = 112
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = y;code = 121
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
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char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = h;code = 104
char = a;code = 97
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char = s;code = 115
char = t;code = 116
char = i;code = 105
char = v;code = 118
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char = t;code = 116
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char = e;code = 101
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char = 1;code = 49
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char = g;code = 103
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char = l;code = 108
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = e;code = 101
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char = d;code = 100
char = s;code = 115
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char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = 1;code = 49
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = t;code = 116
char = y;code = 121
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char = e;code = 101
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char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = c;code = 99
char = h;code = 104
char = m;code = 109
char = e;code = 101
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char = t;code = 116
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = i;code = 105
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char = t;code = 116
char = e;code = 101
char = e;code = 101
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char = d;code = 100
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
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char = e;code = 101
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char = s;code = 115
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 7;code = 55
char = ;code = 32
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char = d;code = 100
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char = 1;code = 49
char = 0;code = 48
char = ;code = 32
char = m;code = 109
char = ;code = 32
char = t;code = 116
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char = r;code = 114
char = e;code = 101
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char = ;code = 32
char = t;code = 116
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char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = j;code = 106
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = o;code = 111
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char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
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char = ;code = 32
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char = e;code = 101
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char = z;code = 122
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = c;code = 99
char = h;code = 104
char = m;code = 109
char = e;code = 101
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char = .;code = 46
char = ;code = 32
char = A;code = 65
char = l;code = 108
char = l;code = 108
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char = s;code = 115
char = e;code = 101
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char = s;code = 115
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char = p;code = 112
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char = e;code = 101
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char = C;code = 67
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char = a;code = 97
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char = l;code = 108
char = l;code = 108
char = e;code = 101
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char = a;code = 97
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char = i;code = 105
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char = e;code = 101
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char = C;code = 67
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char = F;code = 70
char = o;code = 111
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char = e;code = 101
char = n;code = 110
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char = s;code = 115
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char = e;code = 101
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char = f;code = 102
char = a;code = 97
char = c;code = 99
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char = a;code = 97
char = m;code = 109
char = p;code = 112
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char = e;code = 101
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char = w;code = 119
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char = i;code = 105
char = c;code = 99
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char = e;code = 101
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char = h;code = 104
char = i;code = 105
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char = f;code = 102
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char = e;code = 101
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char = f;code = 102
char = o;code = 111
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char = r;code = 114
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char = n;code = 110
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char = d;code = 100
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char = s;code = 115
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char = i;code = 105
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char = n;code = 110
char = d;code = 100
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char = r;code = 114
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char = g;code = 103
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = i;code = 105
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = u;code = 117
char = b;code = 98
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 1;code = 49
char = 4;code = 52
char = C;code = 67
char = -;code = 45
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = u;code = 117
char = b;code = 98
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = n;code = 110
char = -;code = 45
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = b;code = 98
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = );code = 41
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = V;code = 86
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = b;code = 98
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = l;code = 108
char = f;code = 102
char = -;code = 45
char = l;code = 108
char = i;code = 105
char = f;code = 102
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = z;code = 122
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = V;code = 86
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = 1;code = 49
char = 2;code = 50
char = %;code = 37
char = );code = 41
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = V;code = 86
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 4;code = 52
char = 6;code = 54
char = %;code = 37
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = F;code = 70
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = b;code = 98
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = b;code = 98
char = i;code = 105
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = l;code = 108
char = f;code = 102
char = -;code = 45
char = l;code = 108
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = r;code = 114
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char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
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char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = S;code = 83
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = c;code = 99
char = o;code = 111
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = u;code = 117
char = l;code = 108
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = z;code = 122
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = n;code = 110
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = b;code = 98
char = i;code = 105
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result sql = The spatial variability in mineralization of atrazine, isoproturon and metamitron in soil and subsoil samples taken from a 135-ha catchment in north France was studied. Fifty-one samples from the top layer were taken to represent exhaustively the 31 agricultural fields and 21 soil types of the catchment. Sixteen additional samples were collected between depths of 0.7 and 10 m to represent the major geological materials encountered in the vadose zone of the catchment. All these samples were incubated with 14C-labelled atrazine under laboratory conditions at 28 degrees C. Fourteen selected surface samples which exhibited distinctly different behaviour for atrazine dissipation (including sorption and mineralization) were incubated with 14C-isoproturon and 14C-metamitron. Overall soil microbial activity and specific herbicide degradation activities were monitored during the incubations through measurements of total carbon dioxide and 14C-carbon dioxide respectively. At the end of the incubations, extractable and non-extractable (bound) residues remaining in soils were measured. Variability of herbicide dissipation half-life in soil surface samples was lower for atrazine and metamitron (CV < 12%) than for isoproturon (CV = 46%). The main contributor to the isoproturon dissipation variability was the variability of the extractable residues. For the other herbicides, spatial variability was mainly related to the variability of their mineralization. In all cases, herbicide mineralization half-lives showed higher variability than those of dissipation. Sorption or physicochemical soil properties could not explain atrazine and isoproturon degradation, whose main factors were probably directly related to the dynamics of the specific microbial degradation activity. In contrast, variability of metamitron degradation was significantly correlated to sorption coefficient (K(d)) through correlation with the sorptive soil components, organic matter and clay. Herbicide degradation decreased with depth as did the overall microbial activity. Atrazine mineralization activity was found down to a depth of 2.5 m; beyond that, it was negligible.

Publication: Pest Manag. Sci. 2005 Sep ;61(9)::845-55.
Publication Date: 2005 Sep
Study Author(s): Charnay, Marie-Paule;Tuis, Sébastien;Coquet, Yves;Barriuso, Enrique;
Institution: UMR INRA-INA-PG Environnement et Grandes Cultures, BP 01, 78850 Thiverval-Grignon, France. [email protected]
Shortcut link to this study:
The spatial variability in mineralization of atrazine, isoproturon and metamitron in soil and subsoil samples taken from a 135-ha catchment in north France was studied. Fifty-one samples from the top layer were taken to represent exhaustively the 31 agricultural fields and 21 soil types of the catchment. Sixteen additional samples were collected between depths of 0.7 and 10 m to represent the major geological materials encountered in the vadose zone of the catchment. All these samples were incubated with 14C-labelled atrazine under laboratory conditions at 28 degrees C. Fourteen selected surface samples which exhibited distinctly different behaviour for atrazine dissipation (including sorption and mineralization) were incubated with 14C-isoproturon and 14C-metamitron. Overall soil microbial activity and specific herbicide degradation activities were monitored during the incubations through measurements of total carbon dioxide and 14C-carbon dioxide respectively. At the end of the incubations, extractable and non-extractable (bound) residues remaining in soils were measured. Variability of herbicide dissipation half-life in soil surface samples was lower for atrazine and metamitron (CV < 12%) than for isoproturon (CV = 46%). The main contributor to the isoproturon dissipation variability was the variability of the extractable residues. For the other herbicides, spatial variability was mainly related to the variability of their mineralization. In all cases, herbicide mineralization half-lives showed higher variability than those of dissipation. Sorption or physicochemical soil properties could not explain atrazine and isoproturon degradation, whose main factors were probably directly related to the dynamics of the specific microbial degradation activity. In contrast, variability of metamitron degradation was significantly correlated to sorption coefficient (K(d)) through correlation with the sorptive soil components, organic matter and clay. Herbicide degradation decreased with depth as did the overall microbial activity. Atrazine mineralization activity was found down to a depth of 2.5 m; beyond that, it was negligible.
PMID: 16003827

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